[CRIU] [PATCH 1/2] proc: parse_children appens new processes to a specified array

[Andrey Vagin]

From: Andrew Vagin <avagin at openvz.org>

parse_threads alread does this. If an array isn't specified,
it will allocate a new one.

Signed-off-by: Andrew Vagin <avagin at openvz.org>
---
 cr-dump.c    | 2 +-
 proc_parse.c | 5 +++++
 seize.c      | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/cr-dump.c b/cr-dump.c
index fea3be6..25323d7 100644
--- a/cr-dump.c
+++ b/cr-dump.c
@@ -956,7 +956,7 @@ static int fill_zombies_pids(struct pstree_item *item)
 {
 	struct pstree_item *child;
 	int i, nr;
-	pid_t *ch;
+	pid_t *ch = NULL;
 
 	/*
 	 * Pids read here are virtual -- caller has set up
diff --git a/proc_parse.c b/proc_parse.c
index 1302cda..4f8e05c 100644
--- a/proc_parse.c
+++ b/proc_parse.c
@@ -2141,6 +2141,11 @@ int parse_children(pid_t pid, pid_t **_c, int *_n)
 	struct dirent *de;
 	struct bfd f;
 
+	if (*_c) {
+		ch = *_c;
+		nr = *_n;
+	}
+
 	dir = opendir_proc(pid, "task");
 	if (dir == NULL)
 		return -1;
diff --git a/seize.c b/seize.c
index 5ad7ce9..0f93b84 100644
--- a/seize.c
+++ b/seize.c
@@ -215,7 +215,7 @@ static inline bool child_collected(struct pstree_item *i, pid_t pid)
 static int collect_task(struct pstree_item *item);
 static int collect_children(struct pstree_item *item)
 {
-	pid_t *ch;
+	pid_t *ch = NULL;
 	int ret, i, nr_children, nr_inprogress;
 
 	ret = parse_children(item->pid.real, &ch, &nr_children);
-- 
2.4.3